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Circulatory And Respiratory Systems Chapter Test
Test Description: Practice test questions
Instructions: Answer all questions to get your test result.
1) Which structure completes the circulatory pathway? heart - artery - ? - vein - heart
A
ventricle
B
capillary
C
aorta
D
atrium
2) Where does oxygen-rich blood go after leaving the lungs?
A
the brain
B
the heart
C
the stomach
D
the kidney
3) Carbon dioxide is produced as cells break down nutrients for energy. Which of the following pairs of systems would participate in removing the carbon dioxide from the body?
A
respiratory and endocrine
B
endocrine and circulatory
C
circulatory and respiratory
D
reproductive and excretroy
4) Mitochondria are used to produce energy for cells. Which type of cell would contain the most mitochondria?
A
muscle cells
B
bone cells
C
fat cells
D
red blood cells
5) What is the purpose of the aortic valve that separates the left ventricle from the aorta?
A
to push blood into the aorta
B
to prevent blood from flowing backwards into the left ventricle
C
to push blood into the left ventricle
D
to prevent blood from flowing into the aorta and out of the heart
6) The 4 main types of blood are
A
A, B, C, D
B
A, B, AB, X
C
A, B, AB, O
D
1, 2, 3, 4
7) Cells that help fight disease are
A
lymph
B
red blood cells
C
platelets
D
white blood cells
8) Cell fragments that help blood clot are called
A
lymph
B
red blood cells
C
platelets
D
white blood cells
9) The heart pumps ____________ through blood vessels to parts of the body.
A
air
B
nerves
C
muscles
D
blood
10) Capillaries are part of which body system?
A
nervous system
B
skeletal system
C
circulatory system
D
digestive system
11) The terms gas exchange, diaphragm, and inhale are most closely associated with which system in the human body?
A
digestive
B
circulatory
C
excretory
D
respiratory
12) Which of the following is one of the functions of the human skeleton?
A
removing waste from the body
B
producing hormones
C
bringing gases into the body
D
providing a site for blood cell formation
13) In the human body, which of these systems transports sugars to the cells where they are used?
A
digestive
B
respiratory
C
circulatory
D
excretory
14) Which organ is part of the respiratory system?
A
heart
B
brain
C
stomach
D
lungs
15) Which of these directly allows blood cells to transport oxygen to various parts of the body?
A
carbon dioxide
B
hemoglobin
C
antibodies
D
platelets
*select an answer for all questions
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